It is October 1980, 5½ years since the fall of Saigon. Deep in the South China Sea, a small fishing boat drifts at the mercy of the elements.

Eighty-two desperate souls are crammed on the 30ft craft: 36 men, 27 women, six infants and 13 children under the age of 10. After five days and four nights at sea, they have run out of water, food and finally fuel.